Hello All, I have some problems connecting to some websites such as: google.com, yahoo.com, facebook.com and some local websites, this is not constant. i have the following configured: echo 1 > /proc/sys/net/ipv4/ip_forward echo 1 > /proc/sys/net/ipv4/ip_nonlocal_bind echo 0 > /proc/sys/net/ipv4/conf/all/rp_filter echo 0 > /proc/sys/net/ipv4/tcp_window_scaling echo 0 > /proc/sys/net/ipv4/tcp_ecn echo 0 > /proc/sys/net/ipv4/tcp_low_latency echo 1024 65535 > /proc/sys/net/ipv4/ip_local_port_range echo 1 > /proc/sys/net/ipv4/tcp_moderate_rcvbuf echo 10240 > /proc/sys/net/ipv4/tcp_max_syn_backlog echo 1000000 > /proc/sys/net/ipv4/ip_conntrack_max Note that i have a busy (500 concurrent requests) proxy connected to a L4 Foundry Switch.